Seeds of a perennial variety. The tubiform leaves have the characteristic taste of the onion, of which the plant is closely related and from which it takes its name. It is ideal for cultivation in the garden or in pot. The plant is formed by thick bushes that reach about 25 cm in height. The root is bulbous, while the leaves are long and thin, tubular in shape and are the most evident part of the bush. It can be very useful in the kitchen to flavor various recipes and aromatize cheeses or salads.